<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left">
      <div class="title-container">
        <h3 class="title">{{ $t('login.title') }}</h3>
        <lang-select class="set-language"/>
      </div>
      <el-form-item prop="username">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user"/>
        </span>
        <el-input
          v-model="loginForm.username"
          name="username"
          type="text"
          auto-complete="on"
          placeholder="username"/>
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input
          :type="passwordType"
          v-model="loginForm.password"
          name="password"
          auto-complete="on"
          placeholder="password"
          @keyup.enter.native="handleLogin"/>
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye"/>
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin">{{ $t('login.logIn') }}
      </el-button>

      <div class="tips">
        <span>{{ $t('login.username') }} : admin</span>
        <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
      </div>
      <div class="tips">
        <span style="margin-right:18px;">{{ $t('login.username') }} : editor</span>
        <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
      </div>

      <el-button class="thirdparty-button" type="primary" @click="showDialog=true">{{ $t('login.thirdparty') }}
      </el-button>
    </el-form>

    <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog" append-to-body>
      {{ $t('login.thirdpartyTips') }}
      <br>
      <br>
      <br>
      <social-sign/>
    </el-dialog>

  </div>
</template>

<script>
// import { isvalidUsername } from '@/utils/validate'
import LangSelect from '@/components/LangSelect'
import SocialSign from './socialsignin'

export default {
  name: 'Login',
  components: { LangSelect, SocialSign },
  data() {
    //    const validateUsername = (rule, value, callback) => {
    //      if (!isvalidUsername(value)) {
    //        callback(new Error('Please enter the correct user name'))
    //      } else {
    //        callback()
    //      }
    //    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: 'zhangxue..'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur' }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      loading: false,
      showDialog: false
    }
  },
  created() {
    // window.addEventListener('hashchange', this.afterQRScan)
  },
  destroyed() {
    // window.removeEventListener('hashchange', this.afterQRScan)
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('LoginByUsername', this.loginForm).then(res => {
            this.loading = false
            if (res.code === 10000) {
              this.$router.push({ path: '/' })
            } else {
              this.$message({
                message: res.code === 10202 && res.msg ? res.msg : '系统未知错误，请重试',
                type: 'error'
              })
            }
            return false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    afterQRScan() {
      // const hash = window.location.hash.slice(1)
      // const hashObj = getQueryObject(hash)
      // const originUrl = window.location.origin
      // history.replaceState({}, '', originUrl)
      // const codeMap = {
      //   wechat: 'code',
      //   tencent: 'code'
      // }
      // const codeName = hashObj[codeMap[this.auth_type]]
      // if (!codeName) {
      //   alert('第三方登录失败')
      // } else {
      //   this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
      //     this.$router.push({ path: '/' })
      //   })
      // }
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
    $bg: #2d3a4b;
    $light_gray: #eee;

    /* reset element-ui css */
    .login-container {
        .el-input {
            display: inline-block;
            height: 47px;
            width: 85%;
            input {
                background: transparent;
                border: 0px;
                -webkit-appearance: none;
                border-radius: 0px;
                padding: 12px 5px 12px 15px;
                color: $light_gray;
                height: 47px;
                &:-webkit-autofill {
                    -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
                    -webkit-text-fill-color: #fff !important;
                }
            }
        }
        .el-form-item {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 0, 0, 0.1);
            border-radius: 5px;
            color: #454545;
        }
    }
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
    $bg: #2d3a4b;
    $dark_gray: #889aa4;
    $light_gray: #eee;

    .login-container {
        position: fixed;
        height: 100%;
        width: 100%;
        background-color: $bg;
        .login-form {
            position: absolute;
            left: 0;
            right: 0;
            width: 520px;
            padding: 35px 35px 15px 35px;
            margin: 120px auto;
        }
        .tips {
            font-size: 14px;
            color: #fff;
            margin-bottom: 10px;
            span {
                &:first-of-type {
                    margin-right: 16px;
                }
            }
        }
        .svg-container {
            padding: 6px 5px 6px 15px;
            color: $dark_gray;
            vertical-align: middle;
            width: 30px;
            display: inline-block;
            &_login {
                font-size: 20px;
            }
        }
        .title-container {
            position: relative;
            .title {
                font-size: 26px;
                font-weight: 400;
                color: $light_gray;
                margin: 0px auto 40px auto;
                text-align: center;
                font-weight: bold;
            }
            .set-language {
                color: #fff;
                position: absolute;
                top: 5px;
                right: 0px;
            }
        }
        .show-pwd {
            position: absolute;
            right: 10px;
            top: 7px;
            font-size: 16px;
            color: $dark_gray;
            cursor: pointer;
            user-select: none;
        }
        .thirdparty-button {
            position: absolute;
            right: 35px;
            bottom: 28px;
        }
    }
</style>
